1 /* $NetBSD: lsi64854var.h,v 1.6 2005/02/04 02:10:36 perry Exp $ */
2
3 /*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Paul Kranenburg.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /* $FreeBSD: releng/6.4/sys/sparc64/sbus/lsi64854var.h 146392 2005-05-19 14:51:10Z marius $ */
40
41 struct lsi64854_softc {
42 device_t sc_dev;
43
44 int sc_rid;
45 struct resource *sc_res;
46 bus_space_handle_t sc_regh;
47 bus_space_tag_t sc_regt;
48 u_int sc_rev; /* revision */
49 int sc_burst; /* max suported burst size */
50
51 int sc_channel;
52 #define L64854_CHANNEL_SCSI 1
53 #define L64854_CHANNEL_ENET 2
54 #define L64854_CHANNEL_PP 3
55 void *sc_client;
56
57 int sc_active; /* DMA active ? */
58 bus_dmamap_t sc_dmamap; /* DMA map for bus_dma_* */
59
60 bus_dma_tag_t sc_parent_dmat;
61 bus_dma_tag_t sc_buffer_dmat;
62 int sc_datain;
63 size_t sc_dmasize;
64 caddr_t *sc_dmaaddr;
65 size_t *sc_dmalen;
66
67 void (*reset)(struct lsi64854_softc *);/* reset routine */
68 int (*setup)(struct lsi64854_softc *, caddr_t *, size_t *,
69 int, size_t *); /* DMA setup */
70 int (*intr)(void *); /* interrupt handler */
71
72 driver_intr_t *sc_intrchain; /* next handler in intr chain */
73 void *sc_intrchainarg; /* arg for next intr handler */
74
75 u_int sc_dmactl;
76 };
77
78 #define L64854_GCSR(sc) \
79 (bus_space_read_4((sc)->sc_regt, (sc)->sc_regh, L64854_REG_CSR))
80
81 #define L64854_SCSR(sc, csr) \
82 bus_space_write_4((sc)->sc_regt, (sc)->sc_regh, L64854_REG_CSR, csr)
83
84
85 /*
86 * DMA engine interface functions.
87 */
88 #define DMA_RESET(sc) (((sc)->reset)(sc))
89 #define DMA_INTR(sc) (((sc)->intr)(sc))
90 #define DMA_SETUP(sc, a, l, d, s) (((sc)->setup)(sc, a, l, d, s))
91
92 #define DMA_ISACTIVE(sc) ((sc)->sc_active)
93
94 #define DMA_ENINTR(sc) do { \
95 uint32_t csr = L64854_GCSR(sc); \
96 csr |= L64854_INT_EN; \
97 L64854_SCSR(sc, csr); \
98 } while (0)
99
100 #define DMA_ISINTR(sc) (L64854_GCSR(sc) & (D_INT_PEND|D_ERR_PEND))
101
102 #define DMA_GO(sc) do { \
103 uint32_t csr = L64854_GCSR(sc); \
104 csr |= D_EN_DMA; \
105 L64854_SCSR(sc, csr); \
106 sc->sc_active = 1; \
107 } while (0)
108
109
110 int lsi64854_attach(struct lsi64854_softc *);
111 int lsi64854_detach(struct lsi64854_softc *);
112 int lsi64854_scsi_intr(void *);
113 int lsi64854_enet_intr(void *);
114 int lsi64854_pp_intr(void *);
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